Granted Patent
Utility
US 5,351,685 · App. 07/740,362
Condensed oximeter system with noise reduction software
Inventor:
Robert S. Potratz
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Aug 5, 1991
Inventor
Robert S. Potratz
Assignee (at issue)
Nellcor Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.